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Your search keyword '"Pantokratoras, Asterios"' showing total 20 results
Start Over Author "Pantokratoras, Asterios" Topic nanofluids
20 results on '"Pantokratoras, Asterios"'

1. Comment on the paper "A couple stress of peristaltic motion of Sutterby micropolar nanofluid inside a symmetric channel with a strong magnetic field and Hall currents effect, Nabil T. M. El-Dabe, Galal M. Moatimid, Mona A. A. Mohamed, Yasmeen M. Mohamed, Archive of Applied Mechanics (2021) 91:3987–4010"

Author

Pantokratoras, Asterios

Subjects
*MICROPOLAR elasticity, *HALL effect, *MAGNETIC fields, *NANOFLUIDS, *ROTATION of the earth, *MOTION
Abstract

Some errors exist in the above paper. [ABSTRACT FROM AUTHOR]

Published
2024
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2. Comment on the paper "Heat transfer and entropy analysis in squeezing flow of hybrid nanofluid (Au-CuO/NaAlg) with D-F (Darcy-Forchheimer) and C-C (Cattaneo-Christov) heat flux, T. Hayat, A. Fatima, K. Muhammad, A. Alsaedi, Materials Science & Engineering B 288(2023) 116150″

Author

Pantokratoras, Asterios

Subjects
*NANOFLUIDS, *HEAT flux, *MATERIALS science, *HEAT transfer, *HEAT transfer fluids, *ENTROPY
Abstract

Some errors exist in the above paper. [ABSTRACT FROM AUTHOR]

Published
2023
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3. Discussion on: "Bioconvection of a Radiating Hybrid Nanofluid Past a Thin Needle in the Presence of Heterogeneous-Homogeneous Chemical Reaction, Puneeth, V., Manjunatha, S., Makinde, O. D., Gireesha, B. J., 2021, ASME J. Heat Transfer-Trans. ASME., 143(4), p. 042502"

Author

Pantokratoras, Asterios

Subjects
*CHEMICAL reactions, *NANOFLUIDS, *NEEDLES & pins
Abstract

Some typographical and serious errors exist in the above paper. [ABSTRACT FROM AUTHOR]

Published
2022
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4. Comment on the paper "Analysis of activation energy and entropy generation in mixed convective peristaltic transport of Sutterby nanofluid, T. Hayat, Z. Nisar, A. Alsaedi, B. Ahmad, Journal of Thermal Analysis and Calorimetry (2021) 143:1867–1880".

Author

Pantokratoras, Asterios

Subjects
*ACTIVATION energy, *THERMAL analysis, *NANOFLUIDS, *CALORIMETRY, *ENTROPY
Abstract

The correct form is 5 HT Gc=g f C(C-C0)d12 c ht Graph Fourth error (serious) The equation (21) in [[1]] is as follows 6 HT y± 2 y2-B 2 y23=0 ht Graph Equation (6) is a dimensionless equation presented in [[1]] after the non-dimensionalization in equation (17) in [[1]]. [Extracted from the article]

Published
2022
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5. Comment on the paper "Influence of nanoparticles on the electromagnetic hydrodynamic mixed convection flow and heat transfer of a polymeric FENE-P fluid past a Riga plate in the presence of Arrhenius chemical reaction, Razi Khan, Adeel Ahmad, Journal of Magnetism and Magnetic Materials, 567, (2023), 170352"

Author

Pantokratoras, Asterios

Subjects
*HEAT convection, *HEAT transfer, *CHEMICAL reactions, *NANOFLUIDS, *NANOPARTICLES, *FLUIDS
Abstract

Some errors exist in the above paper. [ABSTRACT FROM AUTHOR]

Published
2023
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6. Comment on the paper "Numerical study for slip flow of carbon–water nanofluids, Tasawar Hayat, Zakir Hussain, Ahmed Alsaedi, Bashir Ahmad, Comput. Methods Appl. Mech. Engrg. 319 (2017) 366–378".

Author

Pantokratoras, Asterios

Subjects
*SLIP flows (Physics), *NANOFLUIDS, *VELOCITY, *NUMERICAL analysis, *BOUNDARY layer equations
Abstract

Highlights • The problem concerns slip flow of carbon–water nanofluid. • Three non-dimensional parameters are wrong. • Some profiles are truncated and wrong. [ABSTRACT FROM AUTHOR]

Published
2019
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7. Comment on the paper “MHD flow of Williamson nanofluid over a cone and plate with chemically reactive species, Mair Khan, M.Y. Malik, T. Salahuddin, K.U. Rehman, Muhammad Naseer, Imad khan, Journal of Molecular Liquids 231 (2017) 580–588”

Author

Pantokratoras, Asterios

Subjects
*MAGNETOHYDRODYNAMICS, *NANOFLUIDS, *FLUID velocity measurements, *CHEMICAL reactions, *RESISTANCE heating
Abstract

The present comment concerns some doubtful results included in the above paper. [ABSTRACT FROM AUTHOR]

Published
2017
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8. Comment on the paper "Numerical analysis of the heat transfer and fluid flow characteristics of a nanofluid-cooled micropin-fin heat sink using the Eulerian-Lagrangian approach, Tehmina Ambreen, Arslan Saleem, Cheol Woo Park, Powder Technol., 345 (2019), 509–520"

Author

Pantokratoras, Asterios

Subjects
*HEAT sinks, *FLUID flow, *NUMERICAL analysis, *POWDERS, *HEAT transfer fluids, *NANOFLUIDICS, *NANOFLUIDS
Abstract

Some errors exist in the above paper. [ABSTRACT FROM AUTHOR]

Published
2021
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9. Comment on the paper "Solar energy aspects of gyrotactic mixed bioconvection flow of nanofluid past a vertical thin moving needle influenced by variable Prandtl number, Ying-Qing Song, Aamir Hamid, M. Ijaz Khan, R.J. Punith Gowda, R. Naveen Kumar, B.C. Prasannakumara, Sami Ullah Khan, M. Imran Khan, M.Y. Malik, Chaos, Solitons Fractals, 151, 2021, 111244"

Author

Pantokratoras, Asterios

Subjects
*SOLAR energy, *NANOFLUIDS, *SONGS, *NEEDLES & pins, *PRANDTL number, *PLASMA turbulence, *NANOFLUIDICS
Abstract

Some errors exist in the above paper. [ABSTRACT FROM AUTHOR]

Published
2022
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10. Comment on the paper 'Effects of slip and convective conditions on MHD flow of nanofluid over a porous nonlinear stretching/shrinking sheet, Yahaya Shagaiya Daniel, Zainal Abdul Aziz, Zuhaila Ismail & Faisal Salah, Australian journal of mechanical engineering, 2018, 16:3, 213-229'

Author

Pantokratoras, Asterios

Subjects
*MECHANICAL engineers, *NANOFLUIDS, *NANOFLUIDICS, *STAGNATION flow, *POROUS materials
Abstract

In the above paper five errors have been found. [ABSTRACT FROM AUTHOR]

Published
2020
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11. Discussion on the paper "Influence of Arrhenius activation energy in chemically reactive radiative flow of 3D Carreau nanofluid with nonlinear mixed convection, M. Irfan, W.A. Khan, M. Khan, M. Mudassar Gulzar, Journal of Physics and Chemistry of Solids 125 (2019) 141-152"

Author

Pantokratoras, Asterios

Subjects
*RADIATIVE flow, *REACTIVE flow, *ACTIVATION energy, *CHEMISTRY, *PHYSICS, *NANOFLUIDS, *NANOFLUIDICS
Abstract

There are some errors in the above papere. [ABSTRACT FROM AUTHOR]

Published
2019
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12. Comment on the paper "Unsteady MHD Falkner-Skan flow of Casson nanofluid with generative/destructive chemical reaction, Imran Ullah, Sharidan Shafie, Oluwole Daniel Makinde, Ilyas Khan, Chemical Engineering Science 172 (2017) 694–706".

Author

Pantokratoras, Asterios

Subjects
*NANOFLUIDS, *CHEMICAL reactions, *MAGNETOHYDRODYNAMICS, *UNSTEADY flow, *CHEMICAL engineering
Abstract

Abstract The present comment concerns some doubtful results included in the above paper. [ABSTRACT FROM AUTHOR]

Published
2019
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13. Discussion on the paper " Nanofluids flow driven by peristaltic pumping in occurrence of magnetohydrodynamics and thermal radiation, J. Prakash, E.P. Siva, D. Tripathi, M. Kothandapani, Materials Science in Semiconductor Processing 100(2019) 290–300"

Author

Pantokratoras, Asterios

Subjects
*MATERIALS science, *SEMICONDUCTOR materials, *NANOFLUIDS, *MAGNETOHYDRODYNAMICS, *PUMPING machinery, *HEAT radiation & absorption
Abstract

Inconsistencies are noted in the paper by Prakash et al. (Materials Science in Semiconductor Processing vol. 100, 290–300, 2019). [ABSTRACT FROM AUTHOR]

Published
2020
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18. Comment on the paper “Comment on “Effects of thermophoresis and Brownian motion on nanofluid heat transfer and entropy generation” by M. Mahmoodi, Sh. Kandelousi, Journal of Molecular Liquids, 211 (2015) 15–24, Navid Freidoonimehr, Asghar B. Rahimi, Journal of Molecular Liquids 216 (2016) 99–102”

Author

Pantokratoras, Asterios

Subjects
*THERMOPHORESIS, *BROWNIAN motion, *NANOFLUIDS, *HEAT transfer, *ENTROPY
Abstract

This communication concerns some doubtful results included in a recent comment by N. Freidoonimehr and A.B. Rahimi, Journal of Molecular Liquids 216 (2016) 99–102. [ABSTRACT FROM AUTHOR]

Published
2016
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19. Comment on “The effect of double stratification on boundary-layer flow and heat transfer of nanofluid over a vertical plate”, by Wubshet Ibrahim and O.D. Makinde [Comput. Fluids 86 (2013) 433–441] and on “Hydromagnetic bioconvection of nanofluid over a permeable vertical plate due to gyrostatic microorganisms”, by Winifred Nduku Mutuku and Oluwole Daniel Makinde [Comput. Fluids 95 (2014) 88–97]

Author

Pantokratoras, Asterios

Subjects
*HEAT transfer, *NANOFLUIDS, *HYDROMAGNESITE, *BOUNDARY value problems, *ENERGY transfer
Published
2015
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20. Comments on: “Toward improved heat transfer performance of annular heat exchangers with water/ethylene glycol based nanofluids containing graphene nanoplatelets, Journal of Thermal Analysis and Calorimetry 126.3 (2016): 1427-1436”.

Author

Alrashed, Abdullah A. A. A., Mahmoodian, Naghmeh, and Pantokratoras, Asterios

Subjects
*HEAT transfer, *HEAT exchangers, *ETHYLENE glycol, *NANOFLUIDS, *GRAPHENE
Abstract

Some suspicious equations and scientific inaccuracies of the aforementioned paper are concerned in this comment. [ABSTRACT FROM AUTHOR]

Published
2018
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